﻿// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
// Copyright (c) 2011, Dr. Masroor Ehsan
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
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//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//     * Neither the name of the author nor the
//       names of its contributors may be used to endorse or promote products
//       derived from this software without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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using System;
using System.Data;
using MaxTrader.Core;
using NHibernate;
using NHibernate.SqlTypes;

namespace MaxTrader.DAL.Mapping.CustomTypes
{
    internal class TradingDateUserType : AbstractUserType<TradingDate, DateTime>
    {
        public override SqlType[] SqlTypes
        {
            get { return new[] {SqlTypeFactory.Date}; }
        }

        public override Type ReturnedType
        {
            get { return typeof(DateTime); }
        }

        public override object NullSafeGet(IDataReader rs, string[] names, object owner)
        {
            var dt = (DateTime) NHibernateUtil.Date.NullSafeGet(rs, names[0]);
            return new TradingDate(dt);
        }

        public override void NullSafeSet(IDbCommand cmd, object value, int index)
        {
            if (value == null)
            {
                NHibernateUtil.Date.NullSafeSet(cmd, null, index);
            }
            else
            {
                var dt = (TradingDate) value;
                NHibernateUtil.Date.NullSafeSet(cmd, dt.Date, index);
            }
        }
    }
}